CVE-2020-9934

Estado: AnalizadaMedia (5.5)⚠ Explotación activa

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Puntuación base: 5.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.21%
Percentil entre todas las CVEs puntuadas: 88
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

CISA KEV — explotada activamente

Añadida al catálogo: 8/9/2022
Plazo de remediación: 29/9/2022
Uso conocido en ransomware: Unknown

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Impacto principalT1552.001 Credentials In Filescredential access80 %
Impacto secundarioT1005 Data from Local Systemcollection70 %

AV:L/PR:L indica escalada de privilegios local (T1068). La lectura de variables de entorno (información sensible del usuario) implica acceso a datos en el sistema (T1552.001 credentials in files/env).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Training Threat Intelligence Program Restrict File and Directory Permissions Password Policies Execution Prevention Audit

Tecnologías afectadas (3)

Apple — Ipados Apple — Iphone OS Apple — MAC OS X

CWE

NVD-CWE-noinfo

Referencias

JSON original (NVD)

Mostrar

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